W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot …

At W3Schools you will find complete references about HTML elements, attributes, events, color names, entities, character-sets, URL encoding, language codes, HTTP messages, browser support, and more:

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PHP Supported Timezones Below is a complete list of the timezones supported by PHP, which are useful with several PHP date functions. Africa America Antarctica Arctic Asia Atlantic Australia …

W3Schools maintains a complete JavaScript reference, including all HTML and browser objects. The reference contains examples for all properties, methods and events, and is continuously updated …

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Note: This is an optional feature. You can study at W3Schools without creating an account.

Note: This is an optional feature. You can study at W3Schools without creating an account.

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot …

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